This is where 51% or over of the computing power on a cryptocurrency network is controlled by a single person or group. They theoretically have the power to manipulate the block chains and therefore the cryptocurrency.
Knowledge is the key to success. That is why we have gone to great lengths to get you these business terms and jargon, and explain them in Plain English. Its very easy to comprehend. Learn to understanding and know your business jargon. This will keep you informed among your peers. Bookmark Your business dictionary.